Seiko Cal. 6681 - 496

The Seiko 6681-496 represents an important milestone in Seiko's 1971 lineup. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-3fc17e8f4208]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

39mm

Case Thickness

11.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1971

Related Models

• Seiko 6392-802
• Seiko 7035-905
• Seiko 7180-612
• Seiko 4454-512
• Seiko 4594-693
• Seiko 6673-627
• Seiko 5233-467
• Seiko 4549-409
• Seiko 7185-784
• Seiko 6138-954
• Seiko 7148-122
• Seiko 4555-287